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<== Date ==> <== Thread ==>

Subject: Re: SNL delay() function gives wrong delay
From: [email protected] (Rozelle Wright)
To: [email protected]
Cc: [email protected]
Date: Wed, 15 Oct 97 09:52:01 MDT
> From [email protected] Wed Oct 15 09:41:11 1997
> Return-Path: <[email protected]>
> Date: Wed, 15 Oct 1997 16:38:35 +0100 (BST)
> X-Sender: pbt@Garkbit
> To: Epics Technical List <[email protected]>
> Subject: SNL delay() function gives wrong delay
> Mime-Version: 1.0
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> 
> 
> We have been running our IOC at 200Hz 
> and the sequence program delays were all 
> shortened. (I'm running SNL V1.9.2).
> 
> It appears that the SNL built-in function delay() is
> rather crude and assumes that the CPU clock rate 
> is 60Hz - it calculates the number of ticks to wait by simply 
> multiplying seconds by 60, instead of sysClkRateGet().
> 
> 
> 
> Philip Taylor
> 
> 
> ------------------------------------------------------------
> Philip Taylor, Royal Greenwich Observatory, 
> Madingley Road, CAMBRIDGE. CB3 0EZ. UK
> Email : [email protected]      Phone : (UK+) (0)1223-374710
> ------------------------------------------------------------
> 
> 
Hi Philip,
There is a new version of the sequencer that has all of this fixed.
I believe William Lupton has checked it in for the next official
release, but you can probably get a copy directly from him.
He is in Hawaii, so he will probably answer this himself in a few hours.
Rozelle

---------------------------------------------------------
|                                                       |
|Rozelle Wright              Phone (505) 667-4804       |
|Los Alamos Natl Labs LANSCE-8  FAX (505) 665-5107      |
|PO Box 1663 MS-H820         Group Office (505) 667-6087|
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|                                                       |
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